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Table 3 “Population”-level comparison of “shared peptides” for a set of 20 bonobos, 20 central chimpanzees and 20 western chimpanzees for the three loci A, B and C

From: Reduced bonobo MHC class I diversity predicts a reduced viral peptide binding ability compared to chimpanzees

Locus

A

B

C

Total no. of bound peptides

227,174

254,270

216,409

Peptides shared by all three “populations”

38.53%

13.63%

21.61%

Peptides shared by bonobos & central chimpanzees

40.21%

14.07%

21.99%

Peptides shared by bonobos & western chimpanzees

46.34%

20.32%

26.97%

Peptides shared by central & western chimpanzees

50.66%

39.59%

36.69%

Peptides bound only by bonobos

4.90%

1.69%

2.89%

Peptides bound only by central chimpanzees

5.82%

19.50%

7.39%

Peptides bound only by western chimpanzees

29.13%

32.09%

47.28%

  1. The total number of bound peptides contains all peptides bound by the 20 bonobos, 20 central chimpanzees and 20 western chimpanzees. All percentages refer to the total number of bound peptides